| #include <u.h> | |
| #include <libc.h> | |
| #include <venti.h> | |
| int | |
| vtparsescore(char *s, char **prefix, uchar score[VtScoreSize]) | |
| { | |
| int i, c; | |
| char *buf, *colon; | |
| if((colon = strchr(s, ':')) != nil) | |
| buf = colon+1; | |
| else | |
| buf = s; | |
| if(strlen(buf) != 2*VtScoreSize) | |
| return -1; | |
| memset(score, 0, VtScoreSize); | |
| for(i=0; i<2*VtScoreSize; i++){ | |
| if(buf[i] >= '0' && buf[i] <= '9') | |
| c = buf[i] - '0'; | |
| else if(buf[i] >= 'a' && buf[i] <= 'z') | |
| c = buf[i] - 'a' + 10; | |
| else if(buf[i] >= 'A' && buf[i] <= 'Z') | |
| c = buf[i] - 'A' + 10; | |
| else | |
| return -1; | |
| if((i & 1) == 0) | |
| c <<= 4; | |
| score[i>>1] |= c; | |
| } | |
| if(colon){ | |
| *colon = 0; | |
| if(prefix) | |
| *prefix = s; | |
| }else{ | |
| if(prefix) | |
| *prefix = nil; | |
| } | |
| return 0; | |
| } |